module.exports = {
    checkLogin: function(req, res, next) {
        if (!req.session.user || req.session.user == '') {
            req.flash('error', '未登录');
            return res.redirect('/signin');
        }
        next();
    },
    checkNoLogin: function(req, res, next) {
        if (req.session.user) {
            req.flash('error', '已登录');
            return res.redirect('back');
        }
        next();
    }
}
